Timeline for Eigenvectors of the symmetric tridiagonal matrices whose entries above the diagonal are all the same
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| Feb 27, 2023 at 19:24 | comment | added | username | To complement @MichaelEngelhardt : it isn't possible to compute the eigenvectors of the system when the diagonal is not constant, as it would be is a finite difference approximation of $u^{\prime\prime}(x) +q(x)u(x)=\lambda u(x)$, $u(0)=u(1)=0$, which do not have closed form solutions. In the constant diagonal case, it is explicit. | |
| Feb 27, 2023 at 19:05 | comment | added | Michael Engelhardt | I don't see how we can do that without knowing what's on the diagonal ... | |
| Feb 27, 2023 at 18:35 | history | asked | ABB | CC BY-SA 4.0 |